Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.233384] ================================================================== [ 19.233498] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x60c/0x678 [ 19.233979] Write of size 1 at addr fff00000c64c60eb by task kunit_try_catch/160 [ 19.234049] [ 19.234138] CPU: 1 UID: 0 PID: 160 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.234247] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.234275] Hardware name: linux,dummy-virt (DT) [ 19.234351] Call trace: [ 19.234380] show_stack+0x20/0x38 (C) [ 19.234554] dump_stack_lvl+0x8c/0xd0 [ 19.234602] print_report+0x118/0x608 [ 19.234797] kasan_report+0xdc/0x128 [ 19.234842] __asan_report_store1_noabort+0x20/0x30 [ 19.234897] krealloc_more_oob_helper+0x60c/0x678 [ 19.235242] krealloc_large_more_oob+0x20/0x38 [ 19.235323] kunit_try_run_case+0x170/0x3f0 [ 19.235461] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.235872] kthread+0x328/0x630 [ 19.236066] ret_from_fork+0x10/0x20 [ 19.236241] [ 19.236284] The buggy address belongs to the physical page: [ 19.236314] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064c4 [ 19.236403] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.236451] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.236502] page_type: f8(unknown) [ 19.236540] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.237042] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.237147] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.237383] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.237609] head: 0bfffe0000000002 ffffc1ffc3193101 00000000ffffffff 00000000ffffffff [ 19.237799] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.237887] page dumped because: kasan: bad access detected [ 19.237943] [ 19.237961] Memory state around the buggy address: [ 19.237993] fff00000c64c5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.238046] fff00000c64c6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.238095] >fff00000c64c6080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fe fe [ 19.238141] ^ [ 19.238190] fff00000c64c6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.238231] fff00000c64c6180: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.238276] ================================================================== [ 19.240594] ================================================================== [ 19.240794] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x5c0/0x678 [ 19.240880] Write of size 1 at addr fff00000c64c60f0 by task kunit_try_catch/160 [ 19.241262] [ 19.241307] CPU: 1 UID: 0 PID: 160 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.241387] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.241413] Hardware name: linux,dummy-virt (DT) [ 19.241611] Call trace: [ 19.241645] show_stack+0x20/0x38 (C) [ 19.241879] dump_stack_lvl+0x8c/0xd0 [ 19.242025] print_report+0x118/0x608 [ 19.242103] kasan_report+0xdc/0x128 [ 19.242302] __asan_report_store1_noabort+0x20/0x30 [ 19.242471] krealloc_more_oob_helper+0x5c0/0x678 [ 19.242736] krealloc_large_more_oob+0x20/0x38 [ 19.242887] kunit_try_run_case+0x170/0x3f0 [ 19.243074] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.243212] kthread+0x328/0x630 [ 19.243265] ret_from_fork+0x10/0x20 [ 19.243330] [ 19.243379] The buggy address belongs to the physical page: [ 19.243416] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064c4 [ 19.243472] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.243832] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.243999] page_type: f8(unknown) [ 19.244041] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.244243] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.244412] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.244674] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.244768] head: 0bfffe0000000002 ffffc1ffc3193101 00000000ffffffff 00000000ffffffff [ 19.244819] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.245007] page dumped because: kasan: bad access detected [ 19.245140] [ 19.245174] Memory state around the buggy address: [ 19.245207] fff00000c64c5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.245251] fff00000c64c6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.245293] >fff00000c64c6080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fe fe [ 19.245352] ^ [ 19.245401] fff00000c64c6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.245452] fff00000c64c6180: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.245489] ================================================================== [ 19.162602] ================================================================== [ 19.163169] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x60c/0x678 [ 19.163240] Write of size 1 at addr fff00000c454cceb by task kunit_try_catch/156 [ 19.163290] [ 19.163324] CPU: 1 UID: 0 PID: 156 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.163403] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.163481] Hardware name: linux,dummy-virt (DT) [ 19.163773] Call trace: [ 19.163862] show_stack+0x20/0x38 (C) [ 19.163916] dump_stack_lvl+0x8c/0xd0 [ 19.163963] print_report+0x118/0x608 [ 19.164009] kasan_report+0xdc/0x128 [ 19.164054] __asan_report_store1_noabort+0x20/0x30 [ 19.164408] krealloc_more_oob_helper+0x60c/0x678 [ 19.164562] krealloc_more_oob+0x20/0x38 [ 19.164712] kunit_try_run_case+0x170/0x3f0 [ 19.164767] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.165170] kthread+0x328/0x630 [ 19.165251] ret_from_fork+0x10/0x20 [ 19.165687] [ 19.165774] Allocated by task 156: [ 19.165807] kasan_save_stack+0x3c/0x68 [ 19.166044] kasan_save_track+0x20/0x40 [ 19.166145] kasan_save_alloc_info+0x40/0x58 [ 19.166548] __kasan_krealloc+0x118/0x178 [ 19.166743] krealloc_noprof+0x128/0x360 [ 19.166959] krealloc_more_oob_helper+0x168/0x678 [ 19.167134] krealloc_more_oob+0x20/0x38 [ 19.167451] kunit_try_run_case+0x170/0x3f0 [ 19.167506] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.167557] kthread+0x328/0x630 [ 19.167591] ret_from_fork+0x10/0x20 [ 19.167639] [ 19.167668] The buggy address belongs to the object at fff00000c454cc00 [ 19.167668] which belongs to the cache kmalloc-256 of size 256 [ 19.167734] The buggy address is located 0 bytes to the right of [ 19.167734] allocated 235-byte region [fff00000c454cc00, fff00000c454cceb) [ 19.167796] [ 19.167814] The buggy address belongs to the physical page: [ 19.167856] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10454c [ 19.167932] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.167979] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.168030] page_type: f5(slab) [ 19.168078] raw: 0bfffe0000000040 fff00000c0001b40 dead000000000122 0000000000000000 [ 19.168127] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.168684] head: 0bfffe0000000040 fff00000c0001b40 dead000000000122 0000000000000000 [ 19.168752] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.168802] head: 0bfffe0000000001 ffffc1ffc3115301 00000000ffffffff 00000000ffffffff [ 19.169065] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 19.169255] page dumped because: kasan: bad access detected [ 19.169509] [ 19.169705] Memory state around the buggy address: [ 19.169933] fff00000c454cb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.170036] fff00000c454cc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.170130] >fff00000c454cc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc fc [ 19.170179] ^ [ 19.170461] fff00000c454cd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.172214] fff00000c454cd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.172272] ================================================================== [ 19.175080] ================================================================== [ 19.175131] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x5c0/0x678 [ 19.175256] Write of size 1 at addr fff00000c454ccf0 by task kunit_try_catch/156 [ 19.177999] [ 19.178224] CPU: 1 UID: 0 PID: 156 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.178329] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.178357] Hardware name: linux,dummy-virt (DT) [ 19.178395] Call trace: [ 19.178426] show_stack+0x20/0x38 (C) [ 19.178477] dump_stack_lvl+0x8c/0xd0 [ 19.178523] print_report+0x118/0x608 [ 19.178568] kasan_report+0xdc/0x128 [ 19.178661] __asan_report_store1_noabort+0x20/0x30 [ 19.179066] krealloc_more_oob_helper+0x5c0/0x678 [ 19.179125] krealloc_more_oob+0x20/0x38 [ 19.179184] kunit_try_run_case+0x170/0x3f0 [ 19.179234] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.180947] kthread+0x328/0x630 [ 19.181085] ret_from_fork+0x10/0x20 [ 19.181224] [ 19.181242] Allocated by task 156: [ 19.181269] kasan_save_stack+0x3c/0x68 [ 19.181471] kasan_save_track+0x20/0x40 [ 19.181509] kasan_save_alloc_info+0x40/0x58 [ 19.181748] __kasan_krealloc+0x118/0x178 [ 19.181822] krealloc_noprof+0x128/0x360 [ 19.181859] krealloc_more_oob_helper+0x168/0x678 [ 19.182241] krealloc_more_oob+0x20/0x38 [ 19.182451] kunit_try_run_case+0x170/0x3f0 [ 19.182528] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.182627] kthread+0x328/0x630 [ 19.182752] ret_from_fork+0x10/0x20 [ 19.182843] [ 19.182865] The buggy address belongs to the object at fff00000c454cc00 [ 19.182865] which belongs to the cache kmalloc-256 of size 256 [ 19.182942] The buggy address is located 5 bytes to the right of [ 19.182942] allocated 235-byte region [fff00000c454cc00, fff00000c454cceb) [ 19.183228] [ 19.183287] The buggy address belongs to the physical page: [ 19.183356] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10454c [ 19.183522] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.183607] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.183724] page_type: f5(slab) [ 19.183838] raw: 0bfffe0000000040 fff00000c0001b40 dead000000000122 0000000000000000 [ 19.183975] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.184133] head: 0bfffe0000000040 fff00000c0001b40 dead000000000122 0000000000000000 [ 19.184196] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.184268] head: 0bfffe0000000001 ffffc1ffc3115301 00000000ffffffff 00000000ffffffff [ 19.184315] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 19.184581] page dumped because: kasan: bad access detected [ 19.184715] [ 19.184822] Memory state around the buggy address: [ 19.184892] fff00000c454cb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.185025] fff00000c454cc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.185083] >fff00000c454cc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc fc [ 19.185155] ^ [ 19.185292] fff00000c454cd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.185362] fff00000c454cd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.185398] ==================================================================
[ 12.281812] ================================================================== [ 12.282410] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x7eb/0x930 [ 12.282800] Write of size 1 at addr ffff8881029760f0 by task kunit_try_catch/178 [ 12.283063] [ 12.283293] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.283334] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.283345] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.283363] Call Trace: [ 12.283375] <TASK> [ 12.283388] dump_stack_lvl+0x73/0xb0 [ 12.283415] print_report+0xd1/0x650 [ 12.283437] ? __virt_addr_valid+0x1db/0x2d0 [ 12.283459] ? krealloc_more_oob_helper+0x7eb/0x930 [ 12.283481] ? kasan_addr_to_slab+0x11/0xa0 [ 12.283511] ? krealloc_more_oob_helper+0x7eb/0x930 [ 12.283535] kasan_report+0x141/0x180 [ 12.283556] ? krealloc_more_oob_helper+0x7eb/0x930 [ 12.283585] __asan_report_store1_noabort+0x1b/0x30 [ 12.283622] krealloc_more_oob_helper+0x7eb/0x930 [ 12.283644] ? __schedule+0x10cc/0x2b60 [ 12.283665] ? __pfx_krealloc_more_oob_helper+0x10/0x10 [ 12.283690] ? finish_task_switch.isra.0+0x153/0x700 [ 12.283712] ? __switch_to+0x47/0xf50 [ 12.283736] ? __schedule+0x10cc/0x2b60 [ 12.283757] ? __pfx_read_tsc+0x10/0x10 [ 12.283780] krealloc_large_more_oob+0x1c/0x30 [ 12.283803] kunit_try_run_case+0x1a5/0x480 [ 12.283826] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.283849] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.283871] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.283895] ? __kthread_parkme+0x82/0x180 [ 12.283916] ? preempt_count_sub+0x50/0x80 [ 12.283988] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.284012] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.284037] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.284061] kthread+0x337/0x6f0 [ 12.284080] ? trace_preempt_on+0x20/0xc0 [ 12.284103] ? __pfx_kthread+0x10/0x10 [ 12.284123] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.284144] ? calculate_sigpending+0x7b/0xa0 [ 12.284167] ? __pfx_kthread+0x10/0x10 [ 12.284188] ret_from_fork+0x116/0x1d0 [ 12.284206] ? __pfx_kthread+0x10/0x10 [ 12.284227] ret_from_fork_asm+0x1a/0x30 [ 12.284258] </TASK> [ 12.284267] [ 12.292736] The buggy address belongs to the physical page: [ 12.292968] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102974 [ 12.293427] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.293816] flags: 0x200000000000040(head|node=0|zone=2) [ 12.294318] page_type: f8(unknown) [ 12.294533] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.294804] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.295335] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.295848] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.296196] head: 0200000000000002 ffffea00040a5d01 00000000ffffffff 00000000ffffffff [ 12.296531] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.296868] page dumped because: kasan: bad access detected [ 12.297162] [ 12.297306] Memory state around the buggy address: [ 12.297464] ffff888102975f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.297792] ffff888102976000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.298058] >ffff888102976080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fe fe [ 12.298566] ^ [ 12.298907] ffff888102976100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.299181] ffff888102976180: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.299497] ================================================================== [ 12.078461] ================================================================== [ 12.079042] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x821/0x930 [ 12.079383] Write of size 1 at addr ffff888100aab0eb by task kunit_try_catch/174 [ 12.079908] [ 12.080023] CPU: 1 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.080067] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.080079] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.080098] Call Trace: [ 12.080109] <TASK> [ 12.080222] dump_stack_lvl+0x73/0xb0 [ 12.080255] print_report+0xd1/0x650 [ 12.080307] ? __virt_addr_valid+0x1db/0x2d0 [ 12.080330] ? krealloc_more_oob_helper+0x821/0x930 [ 12.080354] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.080387] ? krealloc_more_oob_helper+0x821/0x930 [ 12.080411] kasan_report+0x141/0x180 [ 12.080433] ? krealloc_more_oob_helper+0x821/0x930 [ 12.080462] __asan_report_store1_noabort+0x1b/0x30 [ 12.080487] krealloc_more_oob_helper+0x821/0x930 [ 12.080520] ? __schedule+0x10cc/0x2b60 [ 12.080541] ? __pfx_krealloc_more_oob_helper+0x10/0x10 [ 12.080566] ? finish_task_switch.isra.0+0x153/0x700 [ 12.080588] ? __switch_to+0x47/0xf50 [ 12.080624] ? __schedule+0x10cc/0x2b60 [ 12.080645] ? __pfx_read_tsc+0x10/0x10 [ 12.080668] krealloc_more_oob+0x1c/0x30 [ 12.080689] kunit_try_run_case+0x1a5/0x480 [ 12.080713] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.080736] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.080759] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.080782] ? __kthread_parkme+0x82/0x180 [ 12.080801] ? preempt_count_sub+0x50/0x80 [ 12.080824] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.080847] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.080871] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.080895] kthread+0x337/0x6f0 [ 12.080913] ? trace_preempt_on+0x20/0xc0 [ 12.080974] ? __pfx_kthread+0x10/0x10 [ 12.080994] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.081015] ? calculate_sigpending+0x7b/0xa0 [ 12.081038] ? __pfx_kthread+0x10/0x10 [ 12.081059] ret_from_fork+0x116/0x1d0 [ 12.081077] ? __pfx_kthread+0x10/0x10 [ 12.081097] ret_from_fork_asm+0x1a/0x30 [ 12.081128] </TASK> [ 12.081138] [ 12.090303] Allocated by task 174: [ 12.090439] kasan_save_stack+0x45/0x70 [ 12.090586] kasan_save_track+0x18/0x40 [ 12.090790] kasan_save_alloc_info+0x3b/0x50 [ 12.091152] __kasan_krealloc+0x190/0x1f0 [ 12.091392] krealloc_noprof+0xf3/0x340 [ 12.091533] krealloc_more_oob_helper+0x1a9/0x930 [ 12.091821] krealloc_more_oob+0x1c/0x30 [ 12.092234] kunit_try_run_case+0x1a5/0x480 [ 12.092444] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.092739] kthread+0x337/0x6f0 [ 12.092868] ret_from_fork+0x116/0x1d0 [ 12.092999] ret_from_fork_asm+0x1a/0x30 [ 12.093152] [ 12.093248] The buggy address belongs to the object at ffff888100aab000 [ 12.093248] which belongs to the cache kmalloc-256 of size 256 [ 12.094146] The buggy address is located 0 bytes to the right of [ 12.094146] allocated 235-byte region [ffff888100aab000, ffff888100aab0eb) [ 12.094725] [ 12.094886] The buggy address belongs to the physical page: [ 12.095195] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100aaa [ 12.095588] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.095825] flags: 0x200000000000040(head|node=0|zone=2) [ 12.096000] page_type: f5(slab) [ 12.096147] raw: 0200000000000040 ffff888100041b40 dead000000000122 0000000000000000 [ 12.096780] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.097229] head: 0200000000000040 ffff888100041b40 dead000000000122 0000000000000000 [ 12.097709] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.098112] head: 0200000000000001 ffffea000402aa81 00000000ffffffff 00000000ffffffff [ 12.098537] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 12.098862] page dumped because: kasan: bad access detected [ 12.099032] [ 12.099100] Memory state around the buggy address: [ 12.099578] ffff888100aaaf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.099902] ffff888100aab000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.100254] >ffff888100aab080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc fc [ 12.100607] ^ [ 12.100963] ffff888100aab100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.101308] ffff888100aab180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.101686] ================================================================== [ 12.260663] ================================================================== [ 12.261391] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x821/0x930 [ 12.261913] Write of size 1 at addr ffff8881029760eb by task kunit_try_catch/178 [ 12.262330] [ 12.262517] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.262562] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.262573] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.262592] Call Trace: [ 12.262616] <TASK> [ 12.262633] dump_stack_lvl+0x73/0xb0 [ 12.262664] print_report+0xd1/0x650 [ 12.262686] ? __virt_addr_valid+0x1db/0x2d0 [ 12.262708] ? krealloc_more_oob_helper+0x821/0x930 [ 12.262731] ? kasan_addr_to_slab+0x11/0xa0 [ 12.262751] ? krealloc_more_oob_helper+0x821/0x930 [ 12.262775] kasan_report+0x141/0x180 [ 12.262796] ? krealloc_more_oob_helper+0x821/0x930 [ 12.262824] __asan_report_store1_noabort+0x1b/0x30 [ 12.262849] krealloc_more_oob_helper+0x821/0x930 [ 12.262871] ? __schedule+0x10cc/0x2b60 [ 12.262894] ? __pfx_krealloc_more_oob_helper+0x10/0x10 [ 12.262918] ? finish_task_switch.isra.0+0x153/0x700 [ 12.262942] ? __switch_to+0x47/0xf50 [ 12.262967] ? __schedule+0x10cc/0x2b60 [ 12.262987] ? __pfx_read_tsc+0x10/0x10 [ 12.263201] krealloc_large_more_oob+0x1c/0x30 [ 12.263227] kunit_try_run_case+0x1a5/0x480 [ 12.263253] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.263276] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.263299] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.263323] ? __kthread_parkme+0x82/0x180 [ 12.263343] ? preempt_count_sub+0x50/0x80 [ 12.263365] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.263389] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.263412] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.263437] kthread+0x337/0x6f0 [ 12.263455] ? trace_preempt_on+0x20/0xc0 [ 12.263479] ? __pfx_kthread+0x10/0x10 [ 12.263501] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.263522] ? calculate_sigpending+0x7b/0xa0 [ 12.263546] ? __pfx_kthread+0x10/0x10 [ 12.263567] ret_from_fork+0x116/0x1d0 [ 12.263585] ? __pfx_kthread+0x10/0x10 [ 12.263616] ret_from_fork_asm+0x1a/0x30 [ 12.263646] </TASK> [ 12.263656] [ 12.274401] The buggy address belongs to the physical page: [ 12.275255] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102974 [ 12.275574] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.276105] flags: 0x200000000000040(head|node=0|zone=2) [ 12.276396] page_type: f8(unknown) [ 12.276575] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.276980] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.277402] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.277765] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.278076] head: 0200000000000002 ffffea00040a5d01 00000000ffffffff 00000000ffffffff [ 12.278591] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.278903] page dumped because: kasan: bad access detected [ 12.279175] [ 12.279276] Memory state around the buggy address: [ 12.279460] ffff888102975f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.279717] ffff888102976000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.280040] >ffff888102976080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fe fe [ 12.280374] ^ [ 12.280720] ffff888102976100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.280961] ffff888102976180: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.281321] ================================================================== [ 12.102161] ================================================================== [ 12.102432] BUG: KASAN: slab-out-of-bounds in krealloc_more_oob_helper+0x7eb/0x930 [ 12.102928] Write of size 1 at addr ffff888100aab0f0 by task kunit_try_catch/174 [ 12.103363] [ 12.103454] CPU: 1 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.103496] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.103508] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.103528] Call Trace: [ 12.103546] <TASK> [ 12.103563] dump_stack_lvl+0x73/0xb0 [ 12.103592] print_report+0xd1/0x650 [ 12.103626] ? __virt_addr_valid+0x1db/0x2d0 [ 12.103648] ? krealloc_more_oob_helper+0x7eb/0x930 [ 12.103671] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.103694] ? krealloc_more_oob_helper+0x7eb/0x930 [ 12.103720] kasan_report+0x141/0x180 [ 12.103741] ? krealloc_more_oob_helper+0x7eb/0x930 [ 12.103770] __asan_report_store1_noabort+0x1b/0x30 [ 12.103830] krealloc_more_oob_helper+0x7eb/0x930 [ 12.103853] ? __schedule+0x10cc/0x2b60 [ 12.103912] ? __pfx_krealloc_more_oob_helper+0x10/0x10 [ 12.103993] ? finish_task_switch.isra.0+0x153/0x700 [ 12.104018] ? __switch_to+0x47/0xf50 [ 12.104043] ? __schedule+0x10cc/0x2b60 [ 12.104064] ? __pfx_read_tsc+0x10/0x10 [ 12.104089] krealloc_more_oob+0x1c/0x30 [ 12.104111] kunit_try_run_case+0x1a5/0x480 [ 12.104137] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.104161] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.104186] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.104239] ? __kthread_parkme+0x82/0x180 [ 12.104259] ? preempt_count_sub+0x50/0x80 [ 12.104282] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.104316] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.104340] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.104365] kthread+0x337/0x6f0 [ 12.104383] ? trace_preempt_on+0x20/0xc0 [ 12.104405] ? __pfx_kthread+0x10/0x10 [ 12.104425] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.104446] ? calculate_sigpending+0x7b/0xa0 [ 12.104470] ? __pfx_kthread+0x10/0x10 [ 12.104491] ret_from_fork+0x116/0x1d0 [ 12.104518] ? __pfx_kthread+0x10/0x10 [ 12.104538] ret_from_fork_asm+0x1a/0x30 [ 12.104569] </TASK> [ 12.104578] [ 12.114074] Allocated by task 174: [ 12.114344] kasan_save_stack+0x45/0x70 [ 12.114571] kasan_save_track+0x18/0x40 [ 12.114776] kasan_save_alloc_info+0x3b/0x50 [ 12.114992] __kasan_krealloc+0x190/0x1f0 [ 12.115253] krealloc_noprof+0xf3/0x340 [ 12.115483] krealloc_more_oob_helper+0x1a9/0x930 [ 12.115717] krealloc_more_oob+0x1c/0x30 [ 12.115878] kunit_try_run_case+0x1a5/0x480 [ 12.116237] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.116514] kthread+0x337/0x6f0 [ 12.116682] ret_from_fork+0x116/0x1d0 [ 12.116881] ret_from_fork_asm+0x1a/0x30 [ 12.117366] [ 12.117452] The buggy address belongs to the object at ffff888100aab000 [ 12.117452] which belongs to the cache kmalloc-256 of size 256 [ 12.117947] The buggy address is located 5 bytes to the right of [ 12.117947] allocated 235-byte region [ffff888100aab000, ffff888100aab0eb) [ 12.118527] [ 12.118689] The buggy address belongs to the physical page: [ 12.118950] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100aaa [ 12.119311] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.119640] flags: 0x200000000000040(head|node=0|zone=2) [ 12.120076] page_type: f5(slab) [ 12.120259] raw: 0200000000000040 ffff888100041b40 dead000000000122 0000000000000000 [ 12.120495] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.120864] head: 0200000000000040 ffff888100041b40 dead000000000122 0000000000000000 [ 12.121282] head: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.121577] head: 0200000000000001 ffffea000402aa81 00000000ffffffff 00000000ffffffff [ 12.121975] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 12.122778] page dumped because: kasan: bad access detected [ 12.123129] [ 12.123201] Memory state around the buggy address: [ 12.123431] ffff888100aaaf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.124103] ffff888100aab000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.124463] >ffff888100aab080: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc fc [ 12.124898] ^ [ 12.125185] ffff888100aab100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.125491] ffff888100aab180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.125825] ==================================================================